87517465 has 16 divisors (see below), whose sum is σ = 120572928. Its totient is φ = 59737536.

The previous prime is 87517457. The next prime is 87517487. The reversal of 87517465 is 56471578.

It is a cyclic number.

It is not a de Polignac number, because 87517465 - 2³ = 87517457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2199 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (7535808).

Almost surely, 2^87517465 is an apocalyptic number.

It is an amenable number.

87517465 is a deficient number, since it is larger than the sum of its proper divisors (33055463).

87517465 is a wasteful number, since it uses less digits than its factorization.

87517465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448.

The product of its digits is 235200, while the sum is 43.

The square root of 87517465 is about 9355.0769638737. The cubic root of 87517465 is about 443.9815365127.

The spelling of 87517465 in words is "eighty-seven million, five hundred seventeen thousand, four hundred sixty-five".